Goat Milk + Little 1/2 & 1/2 A2 Cow Milk -- will it work?

Both are ultra-pasteurized.

Here is my plan - thoughts?

Use half and half A2 milk to make the culture base (1 MyReuteri 20B cap, 1 TBL spoon Inulin),

then add Goat Milk to mix all and do the fermentation

Thanks